.main{
	width: 100%;
	height: auto;
	margin-top: 1rem;
}
.main_top{
	width: 100%;
}
.top_img{
	width: 100%;
	height: 4rem;
}
.top_img img{
	width: 100%;
	height: 100%;
}
.top_text{
	width: 100%;
	height: .8rem;
	background: #fff;
	line-height: .8rem;
	color: #333;
	font-size: .26rem;
	text-align: center;
}
.main_bot{
	width: 100%;
	height: 1rem;
	text-align: center;
	position: fixed;
	bottom: .1rem;
	left: 0;
}
#btn_join{
	width: 92%;
	height: 100%;
	line-height: 1rem;
	text-align: center;
	font-size: .28rem;
	background: #b61c25;
	color: #fff;
	border-radius: .06rem;
}